In August 2017, entering the eighth month in 2017, Metro City again experienced deflation. Expenditure groups that triggered deflation were dominated by the foodstuff category with deflationary contributions of 0.3374 percent followed by transport, communication and financial services group with deflationary contribution of 0.0848 percent; followed by food, beverages, cigarette and tobacco groups with a deflationary contribution of 0.0347 percent. While the expenditure group that hold back the deflation rate in Metro City in August 2017 is education, recreation and sports group with inflation contribution of 0.2811 percent; housing, water, electricity, gas and fuel groups with inflation contribution of 0.0258 percent; clothing group with inflation contribution of 0.0144 percent and health group with inflation contribution of 0.0094 percent. The index change in the seven expenditure groups caused deflation in Metro City by 0.13 percent.
Commodities contributing substantial deflation during August 2017 include red onion, garlic, intercity transport, rabbit meat, green chili, cayenne pepper, sugar, snacks, red chili and cooking oil. Based on the calculation of Consumer Price Index (CPI) in August 2017, deflation in Metro City was caused by a decrease in index in the foodstuff category experiencing deflation of 1.18 percent; the transportation, communication and financial services group experienced deflation of 0.72 percent and the finished food, beverage, cigarette and tobacco group 0.20 percent deflation. Meanwhile, the group holding back the deflation rate was the education, recreation and sports group which experienced inflation of 3.82 percent, the clothing group with inflation of 0.25 percent; health group with inflation of 0.14 percent and housing, water, electricity, gas and fuel group which experienced inflation of 0.08 percent.
In August 2017, based on inflation figures from 82 cities observed in price developments, there were 35 cities experiencing inflation and 47 cities experiencing deflation. The highest inflation occurred in Lhokseumawe at 1.09 percent, while the lowest inflation occurred in Batam with inflation of 0.01 percent. Meanwhile, the highest deflation occurred in Ambon at 2.08 percent, while the lowest deflation occurred in Samarinda by 0.03 percent. Metro City with 0.13 percent deflation ranked 41st nationally. Of the 23 cities on the island of Sumatera, the highest inflation occurred in Lhokseumawe of 1.09 percent and the lowest was in Batam at 0.01 percent. Meanwhile, the highest deflation occurred in Pangkal Pinang by 0.78 percent and the lowest deflation occurred in the Metro by 0.13 percent. Metro City with deflation 0.13 percent ranked 16th on Sumatra island.
